Ignite is a verb that means to start heat or a flame. Trying to ignite a match inside a dark fireworks factory is a really bad idea — one that can get you blown sky high.

The literal definition of ignite is to cause something to catch fire or burn. Dousing a house in gasoline and putting a lit match to the front door will surely cause the home to ignite. In its more figurative sense, ignite means to inspire intense feelings. A passionate kiss can ignite a fiery romance, but if one of the people doing the kissing is married to someone else, that kiss could ignite a spouse's fury.

Definitions of ignite
  1. verb
    cause to start burning; subject to fire or great heat
    “Great heat can ignite almost any dry matter”
    synonyms: light
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    blow out, extinguish, quench, snuff out
    put out, as of fires, flames, or lights
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    fire up, light, light up
    begin to smoke
    ignite anew, as of something burning
    conflagrate, enkindle, inflame, kindle
    cause to start burning
    light up
    flare up
    ignite quickly and suddenly, especially after having died down
    kindle anew, as of a fire
    inflame, kindle
    catch fire
    type of:
    burn, combust
    cause to burn or combust
  2. verb
    start to burn or burst into flames
    “Marsh gases ignited suddenly”
    synonyms: catch fire, combust, conflagrate, erupt, take fire
    burn, combust
    cause to burn or combust
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    blow out
    erupt in an uncontrolled manner
    start burning
    light up
    start to burn with a bright flame
    type of:
    change state, turn
    undergo a transformation or a change of position or action
  3. verb
    arouse or excite feelings and passions
    synonyms: fire up, heat, inflame, stir up, wake
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    work up into agitation or excitement
    type of:
    arouse, elicit, enkindle, evoke, fire, kindle, pique, provoke, raise
    call forth (emotions, feelings, and responses)
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